Riva-H, Hot Selling High Back Swivel Office Ergonomic Chair Black Cobain series 5mm thickness butterfly tilt&lock mechanism

5mm thickness butterfly tilt&lock mechanism 6) BIFMA passed CLASS 3 gaslift 7) BIFMA passed 310mm white nylon base with BIFMA passed 60mm nylon PU castors

1) Mid back ergonomic PU executive chair 2) PU back with flexible lumbar support + PP with fiber back frame3) PU padded seat with injection molded foam inside4) Height adjustable armrest with soft PU armpad5) Multi-functional mechanism with back reclining & one position function6) BIFMA passed CLASS 3 gaslift7) BIFMA passed 340mm nylon base with BIFMA passed 50MM PU nylon castors

back & seat change to PU +$3

4) Weight balance mechanism with back reclining &5 posiotions mechanism

Riva-H, Hot Selling High Back Swivel Office Ergonomic Chair Black Cobain series 5mm thickness butterfly tilt&lock mechanism1) Passed EN1335 test2) High back office chair with height adjustable padded headrest & black color plastic cover3) Fabric padded back with high density foam inside, can be height adjustable, black color back plastic cover with black grey white color decoration4) Black color 3D armrest with soft PU armpad5) Fabric padded seat with high density foam inside + black color plastic cover6) Multi functional mechanism with back reclining & 3 postions